The profile of upper integument lip of Baduy and the nearby living Sundanese in South Banten, West Java, Indonesia

Ardan, Rachman

doi:10.20473/j.djmkg.v41.i3.p118-122

Cited by 1 publication

(1 citation statement)

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“…14 We can divide the Indonesian population into three major sub-racial groups: protomalay, deuteromalay, and melanesoid. 20 Despite the fact that both East Asian and Southeastern Asian are of Mongol racial descent, their sub-ethnicity differs from those of Malays, which could explain why the genetic mutation patterns differ.…”

Section: Discussionmentioning

confidence: 99%

UGT1A1 gene polymorphisms and jaundice in Indonesian neonates

Rohsiswatmo¹,

Amandito

Putri³

et al. 2019

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Background Uridine diphospho-glucuronocyltransferase 1A1 (UGT1A1) polymorphisms are a risk factor for unconjugated hyperbilirubinemia in neonates. UGT1A1 polymorphisms decrease bilirubin conjugation, thus causing hyperbilirubinemia. A variety of polymorphisms have been reported, with UGT1A1*60 and UGT1A1*6 especially prominent in the Asian population. Hyperbilirubinemia polymorphism studies are lacking in Indonesian populations. Objective To identify UGT1A1*60 and UGT1A1*6 profiles in Indonesian populations of heterogeneous ethnicity. Methods We enrolled 42 jaundiced neonates who were born from January to April 2017 and treated in the Neonatal Intensive Care Unit of our national referral center, Cipto Mangunkusumo Hospital, Jakarta, Indonesia. Genetic mutations *60 of exon 1 and *6 of the promoter region were analyzed by polymerase chain reaction – restriction fragment length polymorphism methods, with DraI and AvaII as restriction enzymes, respectively. Clinical data including total serum bilirubin and racial information were obtained by medical records and interviews with parents. Results There were no homozygous mutations of UGT1A1*6, but 4.8% of subjects were heterozygous. As for UGT1A1*60, 4.8% were heterozygous and 95.2% were homozygous. Racial variations were not observed for UGT1A1*60, while Betawi descendents were found to have many heteroygous forms of UGT1A1*6. Conclusion Polymorphisms of the UGT1A1 gene were found in Indonesian neonates. Some ethnicities also showed increased tendency towards its incidence, such as the heterozygous form of UGT1A1*6.

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Section: Discussionmentioning

confidence: 99%